Apple Watch Ultra 3 (2025): An Unbounded Adventure on Your Wrist.
The Apple Watch Ultra 3 combines exceptional durability with advanced functionality, making it your perfect companion in the most demanding conditions.
With its rugged design, an ultra-bright display, and an extended battery life, it’s specifically engineered for adventurers and extreme sports enthusiasts. The watch integrates a wide array of sensors and innovative safety features, ensuring you are always prepared for anything. From deep-sea diving to scaling the highest peaks, the Apple Watch Ultra 3 provides the data you need and the safety you deserve.
Full Specifications:
Material and Finish:
Size and Weight:
| Category |
Details |
| Height |
49mm |
| Width |
44mm |
| Depth |
12mm |
| Weight (natural) |
61.6 grams |
| Weight (black) |
61.8 grams |
| Fits wrist |
130–210mm |
Hardware and Buttons:
- Microphone
- Speaker
- Customizable Action button
- Siren/Speaker
- Antennas (GPS, cellular/satellite) (Built-in eSIM support)
- Side button
- Digital Crown
- Depth gauge/Water temperature sensor/Altimeter
Chip:
| Category |
Details |
| Chip |
S10 chip with 64-bit dual-core processor |
| Neural Engine |
4-core Neural Engine |
| Capacity |
64GB |
Sensors:
- Electrical heart sensor
- Third-generation optical heart sensor
- Blood oxygen sensor
- Temperature sensor
- Depth gauge
- Water temperature sensor
- Compass
- Always-on altimeter
- High-g accelerometer
- High dynamic range gyroscope
- Ambient light sensor
Health and Wellness:
- Blood Oxygen app
- ECG app
- Cycle Tracking app with retrospective ovulation estimates
- Heart Rate app
- High and low heart rate notifications
- Irregular rhythm notifications
- Medications app
- Mindfulness app with state of mind tracking
- Noise app
- Sleep app including sleep stages
- Sleep score
- Sleep apnea notifications
- Hypertension notifications
Display:
- Always‑On Retina display with wide‑angle OLEDs and LTPO3
- 1Hz refresh
- Active area (422 by 514 pixels, 326 pixels per inch)
- Flat sapphire crystal display
- Up to 3000 nits peak brightness
- Night Mode for Apple Watch Ultra faces (Modular Ultra, Wayfinder, Orienteering)
Audio:
- Three-microphone array with beamforming and wind noise mitigation
- Dual speakers
- Media playback
- Siren
Power and Battery Life:
| Category |
Details |
| Battery life (normal use) |
Up to 42 hours |
| Battery life (Low Power Mode) |
Up to 72 hours |
| Fast-charge capable |
Yes |
| Charge time (0% to 80%) |
About 45 minutes |
| 15-min charge |
Up to 12 hours of normal use |
| 5-min charge |
Up to 8 hours of sleep tracking |
Operating System:
watchOS is the world’s most advanced wearable operating system, with apps and features designed to keep you active, healthy, safe, and connected.
Workouts and Activity:
-
Running:
- Custom workouts
- Customizable Workout Views
- Training Load / Workout Effort Tracking
- Heart Rate Zones (customizable)
- Postworkout heart rate
- VO2 max
- Race Route
- Pacer
- Precision Start using Action button
- Stride Length, Ground Contact Time, Cadence, Power, and Vertical Oscillation
- Automatic track detection
- Multisport workout
-
Hiking:
- Compass with bearing, incline, elevation, and coordinates
- Custom waypoints
- Automatically generated waypoints to cellular connectivity
- Backtrack GPS data
- Offline maps with custom route creation
- Elevation alerts
- Topographic maps for thousands of national and regional parks (U.S. only)
- Hundreds of curated hikes across all 63 U.S. national parks
- Siren
-
Swimming:
- Custom workouts (pool swim) with haptics to cue the next interval
- Splits and auto sets
- SWOLF score
- Automatic stroke and count detection (including kickboard)
- Water temperature
- Average pace, total distance, heart rate, and laps
-
Diving:
- Recreational dive to 40m
- Dive computer app (available on the App Store)
- Automatic launch at 1m
- Current and maximum depth duration
- GPS entry and exit points
- Depth gauge
- Water temperature sensor
Safety:
- Satellite connectivity (Emergency SOS, Messages, Find My)
- Emergency SOS
- International emergency calling
- Siren
- Crash Detection
- Fall Detection
- Last Emergency Call Availability Waypoint
- Noise monitoring
- Backtrack
Durability:
- Water resistance 100m (swim, snorkel, scuba, high-speed water sports) under ISO standard 22810:2010
- Dust resistance IP6X under IEC 60529
- EN13319 recreational scuba diving to 40m (±1m accuracy)
- Tested to MIL-STD 810H against subsections for altitude, high temperature, low temperature, temperature shock, immersion, freeze with thaw, ice and freezing rain, and shock and vibration
Connectivity:
- L1 and L5 precision dual-frequency GPS (GPS, GLONASS, Galileo, QZSS, and BeiDou)
- Cellular: Supports RedCap for 5G and LTE
- Wi-Fi 4 (802.11n)
- Support for 2.4GHz and 5GHz Wi-Fi networks
- Bluetooth 5.3
- Second-generation Ultra Wideband chip
- NFC: Apple Pay, GymKit
- Support for Apple Watch For Your Kids
- International roaming
Accessibility:
- Built-in accessibility features supporting vision, mobility, hearing, and cognitive disabilities.
Environmental Requirements:
| Category |
Details |
| On-wrist operating temperature |
–4° to 130° F (–20° to 55° C) |
| Operating temperature |
32° to 95° F (0° to 35° C) |
| Non-operating storage temperature |
–4° to 113° F (–20° to 45° C) |
| Dive operating temperature |
32° to 104° F (0° to 40° C) |
| Relative humidity |
5% to 90% noncondensing |
| Operating altitude |
–1600 feet to 29,500 feet (–500m to 9000m) |
Discover the Apple Watch Ultra 3 (2025) and push your limits to the max.
